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Finding the Fourth Proportional to 113,074,201.80, 157,981,032.11 and 113,074,201.80

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Solution

The fourth proportional to 113,074,201.80, 157,981,032.11 and 113,074,201.80 is: 157,981,032.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,074,201.80 : 157,981,032.11 = 113,074,201.80 : x
  2. Step 2: Convert to fraction form
    113,074,201.80/157,981,032.11 = 113,074,201.80/x
  3. Step 3: Cross multiply
    113,074,201.80x = 157,981,032.11 × 113,074,201.80
  4. Step 4: Simplify right side
    113,074,201.80x = 17,863,579,105,661,106
  5. Step 5: Solve for x
    x = 17,863,579,105,661,106/113,074,201.80
  6. Step 6: Final answer
    x = 157,981,032.11

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.